//css_pre com(WScript.Shell, swshell.dll);
using System;
using swshell;

namespace Scripting
{
	class Script
	{
		static public void Main(string[] args)
		{
			object envType = "SYSTEM";
			IWshEnvironment wshSysEnv = new WshShellClass().get_Environment(ref envType);
			wshSysEnv["TEST"] = "MyDirectory";

			Console.WriteLine("Done...");
		}
	}
}